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Suppose you are investigating an intervention to reduce the risk of malaria mortality among children in...

Suppose you are investigating an intervention to reduce the risk of malaria mortality among children in West Africa. You know that the risk of dying from malaria as a young child in West Africa is about 10% (meaning the proportion of children that pass due to this is 10%). You plan to pull a sample of 200 children from West Africa, and want the sample proportion to be estimated to within ±2% of the population proportion. Approximately what confidence level would you need to use in order for this to happen?

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